
a:hover{
    text-decoration: none;
}
.cover {
    margin: 16px 0px 16px 0px;
    padding-right: 0px;
}
.cover_img{
    height: 260px;float: left;width: calc(100%);
}
.a_title{
    margin-top: 10px;
}
.title_span{
    font-size: 20px;font-weight: bold;padding-top: 10px;
}
.book_detail{
    position: absolute;bottom: 6px;
}
.book_detail_type {
    margin-bottom: 10px;
}
.book_introduce_tink{
    font-size: 18px;color: #000000;font-weight:bold;margin-top: 18px;margin-bottom: 18px;
}
.book_introduce_desc{
    font-size: 16px;line-height: 30px;
}
img{
    border-radius: 2px;
}
.introduce {
    position: relative;height: 260px;float: left;padding-left: 16px;margin-top: 16px;
}